org.apache.lucene.search.Hits.java搜索索引

3. /**
4. *TriestoaddnewdocumentstohitDocs.
5. *Ensuresthatthehitnumbered<code>min</code>hasbeenretrieved.
6. */
7. privatefinalvoidgetMoreDocs(intmin)throwsIOException{
8. if(hitDocs.size()>min){
9. min=hitDocs.size();
10. }
12. intn=min*2;//double#retrieved
13. TopDocstopDocs=(sort==null)?searcher.search(weight,filter,n):
14. searcher.search(weight,filter,n,sort);
16. length=topDocs.totalHits;
17. ScoreDoc[]scoreDocs=topDocs.scoreDocs;
19. floatscoreNorm=1.0f;
21. if(length>0&&topDocs.getMaxScore()>1.0f){
22. scoreNorm=1.0f/topDocs.getMaxScore();
23. }
25. intstart=hitDocs.size()-nDeletedHits;
27. //anynewdeletions?
28. intnDels2=countDeletions(searcher);
29. debugCheckedForDeletions=false;
30. if(nDeletions<0||nDels2>nDeletions){
31. //eitherwecannotcountdeletions,orsome"previouslyvalidhits"
32. mighthavebeendeleted,sofindexactstartpoint
33. nDeletedHits=0;
34. debugCheckedForDeletions=true;
35. inti2=0;
36. for(inti1=0;i1<hitDocs.size()&&i2<scoreDocs.length;i1++){
37. intid1=((HitDoc)hitDocs.get(i1)).id;
38. intid2=scoreDocs[i2].doc;
39. if(id1==id2){
40. i2++;
41. }else{
42. nDeletedHits++;
43. }
44. }
45. start=i2;
46. }
48. intend=scoreDocs.length<length?scoreDocs.length:length;
49. length+=nDeletedHits;
50. for(inti=start;i<end;i++){
51. hitDocs.addElement(newHitDoc(scoreDocs[i].score*scoreNorm,
52. scoreDocs[i].doc));
53. }
55. nDeletions=nDels2;
56. }